There have been at least 19 scholarly reviews of the health literature, all of which found no reason to believe that wind turbines cause health problems. (ramblingsdc.net)
Even if you just read a good scholarly review, it'll give you a lot of basic considerations you are missing. (religion.blogs.cnn.com)
In fact, scientists have long recognized the importance of solar variability as one of the factors governing climate (see the very scholarly review of the subject by Bard and Frank, available here at EPSL or here as pdf) An understanding of solar variability needs to be (and is) taken into account in attribution of climate change of the past century, and in attempts to estimate climate sensitivity from recent climate variations. (realclimate.org)